2268322664340 has 72 divisors (see below), whose sum is σ = 6442019226720. Its totient is φ = 596366442560.

The previous prime is 2268322664323. The next prime is 2268322664393. The reversal of 2268322664340 is 434662238622.

It is a self number, because there is not a number n which added to its sum of digits gives 2268322664340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3447330 + ... + 4052249.

It is an arithmetic number, because the mean of its divisors is an integer number (89472489260).

Almost surely, 2^{2268322664340} is an apocalyptic number.

2268322664340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2268322664340 is an abundant number, since it is smaller than the sum of its proper divisors (4173696562380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268322664340 is a wasteful number, since it uses less digits than its factorization.

2268322664340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499733 (or 7499660 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 2268322664340 in words is "two trillion, two hundred sixty-eight billion, three hundred twenty-two million, six hundred sixty-four thousand, three hundred forty".